Valve operating system of internal combustion engine

Details Valve operating system of internal combustion engine Valve operating system of internal combustion engine

1983-03-31

1985-05-07

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9046, 123 9036, F01L 124

Patent

active

045151164

ABSTRACT:
A valve operating system of an internal combustion engine comprises a rocker arm swingable relative to a rocker arm shaft, and having a first end portion co-operative with an operating cam and a second end portion co-operative with a valve stem. The rocker arm is formed at its central part with a bearing section at which the rocker arm is swingably supported on the rocker arm shaft. The bearing section abuttingly contacts and extends along the outer peripheral surface of the rocker arm shaft. Additionally, the valve operating system is so arranged that engine lubricating oil is supplied under pressure between the rocker arm bearing section and the rocker arm shaft, thereby rendering the valve clearance zero in order to reduce noise generation from the valve operating system.

REFERENCES:
patent: 1699659 (1929-01-01), Fagan
patent: 2572968 (1947-03-01), Bachle
patent: 2905160 (1959-09-01), Sampietro
patent: 2905161 (1959-09-01), Latham
patent: 3096749 (1963-07-01), Davidson
patent: 3150648 (1964-09-01), Gropp
patent: 4104996 (1978-08-01), Hosono et al.
patent: 4132196 (1979-01-01), Wherry

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